Add 75/28 and 30/40
1st number: 2 19/28, 2nd number: 30/40
75/28 + 30/40 is 24/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 28 × 10 = 280,
75/28 = 75 × 10/28 × 10 = 750/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
30/40 = 30 × 7/40 × 7 = 210/280 - Add the two like fractions:
750/280 + 210/280 = 750 + 210/280 = 960/280 - 960/280 simplified gives 24/7
- So, 75/28 + 30/40 = 24/7
In mixed form: 33/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/28+60/40 75/56+30/40 75/28+30/80 75/28+90/40 75/84+30/40